今天进行了Android的北京地铁查询,代码量100行左右,
package com.example.ditie; import androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; public class XianluActivity extends AppCompatActivity { private Button searchb; private EditText start,end; private TextView show_xian; @SuppressLint("MissingInflatedId") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_xianlu); searchb=findViewById(R.id.btn_search_for_x); start=findViewById(R.id.ed_start); end=findViewById(R.id.ed_end); show_xian=findViewById(R.id.tv_show_xian); searchb.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String s=start.getText().toString(); String e=end.getText().toString(); xianlufind(s,e); }; }); } private void xianlufind(String start,String end) { // 必须新开线程才能连接MySQL数据库 new Thread(new Runnable() { @Override public void run() { String test="开始"; List<String> list=new ArrayList<>(); DbHelper dbHelper = new DbHelper(); try { list=dbHelper.result(start,end); //test=dbHelper.find(1); //Log.v("debug",test); for (String string : list) { test+=" "+string; //show_xian.setText(show_xian.getText()+test); } show_xian.setText(show_xian.getText()+test); // show_xian.setText(show_xian.getText()+test); } catch (Exception e) { e.printStackTrace(); } } }).start(); } }
下面为演示:
标签:总结,show,每日,xian,start,3.25,test,import,android From: https://www.cnblogs.com/syhxx/p/17255597.html